/*初始化格式*/
* {
    margin: 0;
    padding: 0;
}
/*整个文档盒子*/
.wrap {  
    width: 2843px;
    height: 3000px;
}
/*头部*/
.header {
    display: flex;
    justify-content:space-between;
    align-items: center;
    padding:0 520px;
    width: 1850px;
    height: 220px;
    background-color: #ffffff;
    /* border: 1px solid red; */
}
.header img {
    width: 350px;
    height: 140px;
}
.header .left {
    display: flex;
    justify-content:flex-start;
    align-items: center;
}

.header .left p:first-child {
    font-size: 42px;
        
    }
.header .left p:last-child {
        font-size: 32px;
        color: #3598db;
}
.header .middle {
    flex-direction: column;
    display: flex;
    justify-content: flex-start;
}
.header .right{
    width: 600px;
}
.header .right .text1 {
    text-align: right;
    font-size: 24px;
}
.header .right .text2{
    text-align: right;
    font-size: 34px;
    color: #26365a;
} 


/*头部 end*/

/*nav */
.nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 2843px;
    height: 100px; 
    background-color: #273558;
   
}
.nav li {
    list-style: none;
    width: 200px;
    height: 100px; 
    text-align: center;
    margin-top: 14px;
    margin: 0 45px;
      
}
.nav li a {
    display: inline-block;
    font-size: 24px;
    color: #ffffff;
    margin-top: 30px;
}
.nav li p {
    font-size: 14px;
    color: #6eb5e5;
}
.nav .active {
    background-color:#3598db;
    font-weight: bold;
    margin: 0;
}
/*nav end*/
/*img*/
.img {
    margin: 0 520px;
    width: 1900px;
    height: 980px;
    background: url(imgs/header2.png)  no-repeat;
   background-size: 100%;
   display: inline-block;
}
/*img end*/

/*text*/
.text {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 1850px;
    height: 150px;
    margin: 0 520px;
   
}
.text .left .cir {
    width: 10px;
    height: 10px;
    border-radius: 5px;
    background-color: #d4d4d4;
}
.text .left .cir2 {
    background-color: #26365a;
}
.text .left {
    display: flex;
    justify-content: space-around;
    align-items: center;
    font-size: 28px;

}
.text .left p,div {
   
    margin-right: 28px;
}
.text .left input {
    margin-left: 2px;
    border: 1px solid transparent;
    
}
.text .left .input1 {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    margin-left: 5px;
    border-bottom: 1px solid #d4d4d4;
    padding-bottom: 3px;
    height: 50px;
    width:370px ;
}
.text .left .input1 .search {
    font-size: 30px;
}

.text .div1 {
    display: flex;
    justify-content: space-around ;
    align-items: center ; 
    height: 50px;
    width:460px ; 
    list-style: none;
}
.text .rigth {
    position: relative;
}
.text .rigth .text1 {
    width: 200px;
    height: 20px;
    border: 1px solid red;
}
.text .rigth .text1 .iconfont {
   
    font-size: 20px;
}
/*text end*/

/*steel*/
.steel-wrap {
    width: 2843px;
    height: 780px;
    background-color: #eff3f1;
}
.steel {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 1850px;
    height: 780px;
    margin: 0 520px;
   
}
.steel .rigth {
    width: 800px;
    height: 550px;
    margin-top: 130px;
    margin-left: 100px;
}
.steel .rigth pre {
    font-size: 77px;
    color: #dad6d6;
    margin-bottom: 15px;
    margin-top: -70px;
}
.steel .rigth .p1 {
    width: 800px;
    font-size: 36px;
    color: #333333;
    margin-bottom: 5px;
    
}
.steel .rigth .p2 {
    font-size: 52px;
    color: #26365a;
    font-weight: bold;
    margin-bottom: 30px;
}
.steel .rigth .p3 {
    font-size: 22px;
    color: #333333;
    line-height: 50px;
}
.steel .rigth .line {
    width: 230px;
    height: 2px;
    background-color: #bdc2bf;
    margin-bottom: 40px;
}
.steel img{
    width: 900px;
    height:550px ;
}
.steel .rigth .spirit {
    font-size: 30px;
    color: #26365a;
    font-weight: bold;
}
/*steel end*/